Home / 12,403,247.30-18,569,441.55-11,127,788.90

Finding the Fourth Proportional to 12,403,247.30, 18,569,441.55 and 11,127,788.90

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Solution

The fourth proportional to 12,403,247.30, 18,569,441.55 and 11,127,788.90 is: 16,659,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403,247.30 : 18,569,441.55 = 11,127,788.90 : x
  2. Step 2: Convert to fraction form
    12,403,247.30/18,569,441.55 = 11,127,788.90/x
  3. Step 3: Cross multiply
    12,403,247.30x = 18,569,441.55 × 11,127,788.90
  4. Step 4: Simplify right side
    12,403,247.30x = 206,636,825,559,288.81
  5. Step 5: Solve for x
    x = 206,636,825,559,288.81/12,403,247.30
  6. Step 6: Final answer
    x = 16,659,897.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.